SHE COULDN’T JOIN US BECAUSE SHE WAS BUSY.-> SHE WAS BUSY, SO………...

Lớp 9 Tiếng Anh 10 đề kiểm tra 1 tiết học kì 1 môn Tiếng Anh 9 năm 2019 có đáp án

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4. She couldn’t join us because she was busy.

-> She was busy, so………...